@article{aefba46952064cd9958e796fa246c636,
title = "Tunable Van Hove Singularity without Structural Instability in Kagome Metal CsTi3Bi5",
abstract = "In kagome metal CsV3Sb5, multiple intertwined orders are accompanied by both electronic and structural instabilities. These exotic orders have attracted much recent attention, but their origins remain elusive. The newly discovered CsTi3Bi5 is a Ti-based kagome metal to parallel CsV3Sb5. Here, we report angle-resolved photoemission experiments and first-principles calculations on pristine and Cs-doped CsTi3Bi5 samples. Our results reveal that the van Hove singularity (vHS) in CsTi3Bi5 can be tuned in a large energy range without structural instability, different from that in CsV3Sb5. As such, CsTi3Bi5 provides a complementary platform to disentangle and investigate the electronic instability with a tunable vHS in kagome metals.",
author = "Bo Liu and Kuang, {Min Quan} and Yang Luo and Yongkai Li and Cheng Hu and Jiarui Liu and Qian Xiao and Xiquan Zheng and Linwei Huai and Shuting Peng and Zhiyuan Wei and Jianchang Shen and Bingqian Wang and Yu Miao and Xiupeng Sun and Zhipeng Ou and Shengtao Cui and Zhe Sun and Makoto Hashimoto and Donghui Lu and Chris Jozwiak and Aaron Bostwick and Eli Rotenberg and Luca Moreschini and Alessandra Lanzara and Yao Wang and Yingying Peng and Yugui Yao and Zhiwei Wang and Junfeng He",
note = "Publisher Copyright: {\textcopyright} 2023 American Physical Society.",
year = "2023",
month = jul,
day = "14",
doi = "10.1103/PhysRevLett.131.026701",
language = "English",
volume = "131",
journal = "Physical Review Letters",
issn = "0031-9007",
publisher = "American Physical Society",
number = "2",
}